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[Fot] 89MM piston question

Subject: [Fot] 89MM piston question
From: Bill at ponostyle.com (Bill)
Date: Sun, 2 Sep 2018 11:12:41 -0700
References: <CABFvdWuHwKrwTckxSQ+bKqCZeE8iVsS-K6SUdAEOYoJVE6wqMQ@mail.gmail.com> <16594e9a929-1ec0-5697@webjas-vab074.srv.aolmail.net> <CO2PR0801MB2264D46BC428EEFE87597E9FC30E0@CO2PR0801MB2264.namprd08.prod.outlook.com> <CAMJWJcEH2bir+XkxLrcbn50goB=aeBkQiO62Dy27=Zvfn6M2_g@mail.gmail.com> <BB4C5B35-3DF2-4B1E-834D-8A4AA4F4F9D2@trenterprises.com> <CAMJWJcHsmkMuWwvt1bs3Lax-kTVTkADpdNrFiWUahJDa2r3zsg@mail.gmail.com>
A. What?s an SLR build
B. 100HP per liter at the rear wheel with a TR head? I think your dyno needs 
calibration. A Ferrari La Ferrari does 125hp per liter at the crank. 

> On Sep 2, 2018, at 8:30 AM, John Styduhar via Fot <fot at autox.team.net> 
> wrote:
> 
> What kind of modifications were done to the engine to extract over 200 HP 
> from a tractor engine?  Nitrous shot.
> 
> 
> All of our FIA race cars are running legal 87mm engines.
> Just rolling roaded the latest SLR build at well north of 200bhp
> 
> Thomas Boyd
> Director
> TR Enterprises
> 01623 793807 (ext 302)
> www.trenterprises.com <http://www.trenterprises.com/>
> 
> 
> 
>> If you really had serious compliance with most group's rules, I would guess 
>> half the TR cars would not pass muster.  Let's have fun together.   
>> 
>> 
>> Indeed there are Glen.
>> 
>>  
>> 
>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 
>> 10
>> 
>>  
>> 
>> Sent: Saturday, September 1, 2018 7:34:26 AM
>> Subject: Re: [Fot] 89MM piston question
>>  
>> everybody else seems to be using 89.
>> HaHa not everybody, rules say 87mm, there are still a few guys running them 
>> (and winning)...
>> Glen 
>> 
>> 
>> 
>> -----Original Message-----
>> Sent: Fri, Aug 31, 2018 11:26 pm
>> Subject: Re: [Fot] 89MM piston question
>> 
>> I've always used 87 MM due to the rules but everybody else seems to be using 
>> 89. The procedures are the same so It'll be the same. I blew a head gasket 
>> last time out, compression into the cooling system and blew off the bottom 
>> hose. I guess it wasn't tight enough, and scuffed two pistons before I could 
>> shut it down. 
>> 
>> Bob Kramer
>> 
>> Bob,
>> It is definitely necessary to make that modification to the liners. The 
>> relieve should correspond to the shape of the combustion chambers : about 4 
>> mm wide on a 89mm engine.
>> Marcel
>> 
>> Verzonden: Donderdag 30 augustus 2018 00:05:43
>> Onderwerp: [Fot] 89MM piston question
>> 
>> Do the guys running the 89MM pistons and liners need to relieve the liners 
>> to clear the intake valve, or does the extra MM make the difference?
>> 
>> Bob Kramer
>> 
>> On Tue, 
>> 
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